North DakotaSouth DakotaCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonCarotid StenosisArteriesCarotid Artery, ExternalEndarterectomy, CarotidCarotid Artery ThrombosisVascular ResistanceHypertensionRats, Inbred SHRBlood PressureCarotid Artery, Internal, DissectionCarotid BodyTunica IntimaCarotid SinusCerebral ArteriesTunica MediaPulmonary ArteryFemoral ArteryCerebral AngiographyStentsCarotid Intima-Media ThicknessVertebral ArteryCarotid Artery InjuriesBasilar ArteryUltrasonography, Doppler, DuplexRenal ArteryArterial Occlusive DiseasesMesenteric ArteriesIschemic Attack, TransientAngioplasty, BalloonMagnetic Resonance AngiographyArteriosclerosisSubclavian ArteryAngiographyEndarterectomyAngiography, Digital SubtractionAngioplastyCerebrovascular CirculationCoronary Artery BypassRadial ArteryIliac ArteryStrokeBrain IschemiaTomography, X-Ray ComputedCerebrovascular DisordersBrachial ArteryMuscle, Smooth, VascularCatheterizationRisk FactorsTreatment OutcomeMiddle Cerebral ArteryOphthalmic ArteryTime FactorsMammary ArteriesAneurysmUltrasonographyIntracranial EmbolismBlood Flow VelocityUltrasonography, Doppler, ColorAtherosclerosisProspective StudiesIntracranial ArteriosclerosisIntracranial AneurysmUltrasonography, Doppler, TranscranialCircle of WillisCerebral InfarctionRegional Blood FlowCarotid Body TumorCoronary VesselsTemporal ArteriesEndothelium, VascularCerebral RevascularizationIntracranial Embolism and ThrombosisAmaurosis FugaxVasodilationFollow-Up StudiesLigationSplenic ArteryUltrasonography, DopplerRetinal Artery OcclusionCavernous SinusEmbolization, TherapeuticConstriction, PathologicHyperplasiaHepatic ArteryRetrospective StudiesPredictive Value of TestsHemodynamicsPostoperative ComplicationsCeliac ArteryJugular Veins